Application pen



FIG. 1 is a partially exploded perspective view of an application pen;

FIG. 2 is an exploded perspective view thereof, shown on a reduced scale;

FIG. 3 is a side view thereof, with the tip and the cap removed for ease of illustration;

FIG. 4 is another side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is another side view thereof;

FIG. 7 is a perspective view of FIG. 3, shown on a reduced scale;

FIG. 8 is an enlarged top view thereof;

FIG. 9 is an enlarged bottom view thereof;

FIG. 10 is an enlarged side view of the cap, with the application pen and the tip removed for ease of illustration;

FIG. 11 is another enlarged side view thereof;

FIG. 12 is an enlarged perspective view thereof;

FIG. 13 is another enlarged perspective view thereof;

FIG. 14 is an enlarged top view thereof;

FIG. 15 is an enlarged bottom view thereof;

FIG. 16 is an enlarged side view of the tip, with the application pen and the cap removed for ease of illustration;

FIG. 17 is another enlarged side view thereof;

FIG. 18 is another enlarged side view thereof;

FIG. 19 is a perspective view thereof;

FIG. 20 is another perspective view thereof;

FIG. 21 is a bottom view thereof; and,

FIG. 22 is a top view thereof.

The broken lines immediately adjacent to the claimed areas in FIG. 5 represent the boundaries of the design. None of the broken lines form any part of the claimed design. 

I claim the ornamental design for an application pen, as shown and described. 